TY  - BOOK
AU  - HYMAN,LIBBIC HENRIETTA
TI  - THE INVERTEBRATES: ECHINODRMATA THE COELOMATE BILATERIA
U1  - 592 
PY  - 1955///
CY  - NEW YORK
PB  - Mcgraw_HILL BOOK COMPANY
KW  - Invertebrates
ER  -